diagnostic for IO loop used during testing.

Changes

@@ -1,6 +1,7 @@
 Revision history for Mojolicious::Plugin::TtRenderer
 
 {{$NEXT}}
+        - Added diagnostic for IO loop implementation in testing
 
 1.39    January 28, 2013
         - Documentation updates.

t/01-ioloop.t

@@ -0,0 +1,11 @@
+use strict;
+use warnings;
+use Test::More tests => 1;
+use Mojo::IOLoop;
+
+my $loop = eval { Mojo::IOLoop->singleton };
+diag $@ if $@;
+ok $loop;
+diag ref eval { $loop->reactor };
+diag $@ if $@;
+